Growing community of inventors

Kanagawa, Japan

Akira Kadonaga

Average Co-Inventor Count = 1.30

ph-index = 10

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 286

Akira KadonagaWataru Kokubo (1 patent)Akira KadonagaYasushi Fujita (1 patent)Akira KadonagaKatsumi Endo (1 patent)Akira KadonagaKaoru Yanamoto (1 patent)Akira KadonagaShigeo Matsumoto (1 patent)Akira KadonagaToshiro Ohta (1 patent)Akira KadonagaMamoru Osato (1 patent)Akira KadonagaHiroshi Masaki (1 patent)Akira KadonagaKouji Hamada (1 patent)Akira KadonagaMasashi Watanabe (1 patent)Akira KadonagaHideaki Hotta (1 patent)Akira KadonagaAkira Kadonaga (16 patents)Wataru KokuboWataru Kokubo (53 patents)Yasushi FujitaYasushi Fujita (14 patents)Katsumi EndoKatsumi Endo (11 patents)Kaoru YanamotoKaoru Yanamoto (9 patents)Shigeo MatsumotoShigeo Matsumoto (8 patents)Toshiro OhtaToshiro Ohta (5 patents)Mamoru OsatoMamoru Osato (4 patents)Hiroshi MasakiHiroshi Masaki (2 patents)Kouji HamadaKouji Hamada (2 patents)Masashi WatanabeMasashi Watanabe (1 patent)Hideaki HottaHideaki Hotta (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Sony Corporation (16 from 58,129 patents)


16 patents:

1. D934868 - Memory card

2. D928162 - Memory card

3. D848431 - Memory card

4. D814473 - Memory card

5. D556202 - Adaptor for a storage medium

6. 7298242 - Input device with fingerprint recognition

7. D551669 - Adaptor for a storage medium

8. 7118421 - Adapter device for electronic equipment

9. 6768645 - IC card and IC-card adaptor

10. D486830 - Cartridge

11. D458610 - Cartridge for recording media

12. D457887 - Recording medium

13. 6385154 - Disk drive configured to expand to disk-storing size from compact size that is smaller than diameter of disk

14. 5233491 - Disc drive with snap-fit seal

15. 4991044 - Disk drive assembly with an auto-ejector driven by the assembly motors

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as of
12/14/2025
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